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1892 数据表(PDF) 21 Page - NEC

部件名 1892
功能描述  MATRIX SURROUND SOUND PROCESSOR WITH SOUND PROCESSOR
PDF  42 Pages
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制造商  NEC [NEC]
网页  http://www.nec.com/
标志 NEC - NEC

1892 数据表(HTML) 21 Page - NEC

Back Button 1892 Datasheet HTML 17Page - NEC 1892 Datasheet HTML 18Page - NEC 1892 Datasheet HTML 19Page - NEC 1892 Datasheet HTML 20Page - NEC 1892 Datasheet HTML 21Page - NEC 1892 Datasheet HTML 22Page - NEC 1892 Datasheet HTML 23Page - NEC 1892 Datasheet HTML 24Page - NEC 1892 Datasheet HTML 25Page - NEC Next Button
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µPC1892
21
Electrical characteristics measurement:
µPC1892CT-02 Volume control, tone control block (1/3)
Parameter
Symbol
Test conditions
Surround
mode
VOL
BAL
TRE
BAS
L+R
EFF
Volume attenuation
ATTVOL
OFF
5.0
2.5
2.5
2.5
–
–
↓
L-channel
0.2
LIN (Pin 25) : f = 1 kHz, VIN = 0.5 Vr.m.s.
VREF : LOUT (Pin 14) (Volume control
voltage : 5.0 V)
VATT : LOUT (Pin 14) (Volume control
voltage : 0.2 V)
JIS-A filter used.
R-channel
RIN (Pin 26) : f = 1 kHz, VIN = 0.5 Vr.m.s.
VREF : ROUT (Pin 12) (Volume control
voltage : 5.0 V)
VATT : ROUT (Pin 12) (Volume control
voltage : 0.2 V)
JIS-A filter used.
L+R volume
ATTL+R
OFF
––––
5.0
–
attenuation
↓
LIN, RIN (Pin 25, 26) : f = 1 kHz,
0.2
VIN = 0.5 Vr.m.s.
VL+RREF : L+ROUT (Pin 13)
(L+R volume control voltage : 5.0 V)
VL+RATT : L+ROUT (Pin 13)
(L+R volume control voltage : 0.2 V)
JIS-A filter used.
Note 1.
OFF: OFF mode
2. VOL: Volume control voltage, BAL: Balance control voltage, TRE: Treble control voltage, BAS: Bass control voltage,
L+R: L+R volume control voltage, EFF: Effect control voltage, –: Undefined
VL+RATT
ATTL+R = 20 log
VL+RREF
Note 1
Control pin voltage (V) Note 2
VATT
ATTVOL = 20 log
VREF



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